Senior L2 Network Engineer NOC at Kerala Vision · Kochi(Pan…

Job Summary

We are looking for an experienced Senior L2 Network Engineer to join our NOC team, responsible for advanced troubleshooting, configuration, and maintenance of large-scale IP/MPLS backbone and service provider networks. The candidate will act as the escalation point for L1 engineers, lead incident/problem management, and drive network stability, performance, and change management across multi-vendor environments.

Key Responsibilities

• Act as the primary L2/L3 escalation point for complex network incidents raised by the NOC L1 team.
• Perform end-to-end troubleshooting of IP/MPLS core, aggregation, and access network issues.
• Configure, monitor, and maintain routers, switches, and MPLS PE/P/CE devices across the network.
• Own Root Cause Analysis (RCA) for major/critical incidents and prepare detailed RCA reports.
• Plan and execute network changes, upgrades, and maintenance activities (MOPs) with minimal service impact.
• Monitor network health using NMS/EMS tools; proactively identify and resolve performance degradation.
• Coordinate with vendors (Cisco/Juniper/Nokia/Huawei/Arista TAC) for hardware/software escalations.
• Maintain network documentation, topology diagrams, SOPs, and configuration backups.
• Mentor and guide L1/L2 engineers; conduct knowledge transfer and training sessions.
• Ensure adherence to SLA, KPI, and uptime targets defined by the organization/customer.
• Participate in capacity planning, network design reviews, and new site/service rollouts.
• Handle shift-based NOC operations including rotational/on-call support as required.

Must-Have Skills & Keywords

• Strong hands-on expertise in IP Routing and Switching (Layer 2 & Layer 3).
• Deep working knowledge of MPLS architecture and service provider backbone networks.
• Advanced troubleshooting skills for BGP, OSPF, IS-IS, EIGRP, and static routing.
• Strong understanding of VLAN, STP/RSTP/MSTP, LACP, Link Aggregation, and Etherchannel.
• Experience with network monitoring tools (NMS/EMS SolarWinds, Nagios, Zabbix, vendor-specific EMS).
• Incident, Problem, and Change Management (ITIL process exposure).
• Strong analytical and packet-level troubleshooting ability (Wireshark, packet capture analysis).
• Excellent communication skills for customer/vendor escalation handling.

Technologies / Protocols (MPLS & Core Networking)

• MPLS (Multiprotocol Label Switching) – Label Distribution, LDP, RSVP-TE
• MPLS L3VPN / L2VPN (VPLS, VPWS, EVPN)
• BGP (iBGP/eBGP), MP-BGP, Route Reflectors, BGP Communities & Policies
• OSPF, IS-IS, EIGRP – IGP design and troubleshooting
• Traffic Engineering (RSVP-TE, Fast Reroute / FRR)
• QoS – Classification, Marking, Policing, Shaping, CoS/DSCP
• VRF / VPN Routing & Forwarding, Segment Routing (SR-MPLS) – added advantage
• Layer 2/3 Switching – VLAN, Trunking, STP/RSTP/MSTP, LACP
• Network Redundancy Protocols – HSRP, VRRP, GLBP
• Network Security Basics – ACLs, uRPF, control-plane policing
• IP Addressing, Subnetting, VLSM, and NAT

OEM / Vendor Platform Experience

• Cisco – ASR/NCS/ISR/Catalyst platforms, IOS/IOS-XR/IOS-XE
• Juniper – MX Series, PTX, EX Series, JUNOS
• Nokia (Alcatel-Lucent) – 7750 SR, 7450 ESS, SR OS
• Huawei – NE/CX Series Routers, S Series Switches, VRP OS
• Arista – 7000 Series Switches, EOS

Certifications (Required / Preferred)

• CCNP (Routing & Switching / Service Provider) – Required
• CCIE (R&S / SP) – Preferred / Added Advantage
• JNCIA / JNCIS / JNCIP (Juniper) – Preferred
• Nokia NRS I / NRS II (Service Routing Certification) – Preferred
• HCIA / HCIP (Huawei Routing & Switching) – Preferred
• Arista ACE (Arista Certified Engineer) – Preferred
• ITIL Foundation Certification – Preferred

Good to Have

• Exposure to Segment Routing (SR-MPLS/SRv6).
• Experience with automation/scripting (Python, Ansible) for network operations.
• Exposure to SDN/SD-WAN and network orchestration tools.
• Experience in a 24x7 Tier-1/Tier-2 Service Provider or ISP NOC environment.